Desktop Apps
NEW: Multitrack App

Auphonic Multitrack Private Beta

Last week we presented our new multitrack algorithms at the Podlove Podcaster Workshop in Berlin. Lot's of users asked us about a multitrack version of our system before - now it's here and can be used!
We reworked all our algorithms and therefore start with a private beta program for our long-term users and supporters.

The Auphonic multitrack algorithms are now released officially: Auphonic Multitrack Release.

Audio statistics of an Auphonic production with multiple tracks.
Music segments are displayed in red and the two speakers in gray and black.

What is Multitrack?

Auphonic is optimized to process stereo ...

Noise and Hum Reduction released for the Auphonic Leveler Desktop App

Our Noise and Hum Reduction algorithms are now included in the Auphonic Leveler Batch Processor, version 1.2, on Windows and Mac. Note that this is a free update!

Auphonic Noise and Hum Reduction

The Auphonic Noise Reduction algorithms remove broadband background noise in audio files with slowly varying backgrounds.
First the audio file is segmented in regions with different background noise characteristics, then a noise print is extracted in each region and removed from the audio signal. A classifier decides if and how much noise reduction is necessary.
For more details and audio examples see Noise Reduction.

Our Hum ...

New Output Format to Render Audio Waveforms in the Browser

A few days ago a discussion in the Freak Show podcast pointed to an interesting BBC research project to render audio waveforms in the browser.
We now added a new output file format (Waveform Data File), which is generated by the open source tool audiowaveform and can be used to display interactive audio waveform data using the Peaks.js java script library. Here is an example screenshot:

(image from BBC R&D blog)

The tool includes features to zoom in waveforms, to mark segments in audio files (could be interesting for chapter marks) and can be easily integrated in HTML 5 audio or video players.

Here you can try a working demo example by BBC:
Peaks.js Example

Also read this detailed article about Peaks.js:
Peaks.js: Audio waveform rendering in the browser

Auphonic Waveform Data Output File

To create a waveform display in browsers using Peak.js, you need a data file with the audio information. Now this can be done with Auphonic by adding the output file format Waveform Data file to your production:

You can also use the open source tool audiowaveform to calculate the waveform data yourself.

Start Java Script Experiments

Let us know if you find this information ...

Two Years of Auphonic

Two years ago, at March 27 in 2012, we released the Auphonic web service for the general public. It all started with an interview in Der Lautsprecher by Tim Pritlove (German only) at the first Podlove developer meeting and a lot happened since then.

(image by Markus Unger)

Special Birthday Discount for the Auphonic Leveler Desktop App

To celebrate our 2nd birthday, we offer a special discount of -40% for our Auphonic Leveler Desktop App for Mac and Windows (valid for a discounted or commercial license).
Just enter the following coupon code while purchasing a license:


The coupon code ...

Auphonic Leveler Batch Processor for Windows

The Auphonic Leveler Batch Processor is now also available for Windows desktop operation systems (32bit and 64bit)!
The interface is very similar to the Mac version and you can use one single license to run the Leveler on your Windows and Mac system!

About the Auphonic Leveler

The Auphonic Leveler is a Desktop Batch Audio File Processor for loudness management:
  • Automatic adjustments to be compliant with new loudness standards (EBU R128, ATSC A/85, ITU-R BS.1770, etc.)
  • True Peak Limiter is included
  • Adaptive Leveler, which corrects loudness variations within one file
Our unique Adaptive Leveler analyzes the content of ...

Auphonic Leveler Batch Processor for Mac OS X

Last week we proudly released the Auphonic Leveler Batch Processor for Mac OS X 10.6+ (64 bit). This is the first desktop version of Auphonic audio algorithms and also the first commercial Auphonic application.

After valuable user feedback we added a trial version, AAC encoding and MP3 encoding to the Auphonic Leveler 1.1 today!

About the Auphonic Leveler

The Auphonic Leveler is an intelligent Desktop Batch Audio File Processor which analyzes your audio and corrects level differences between speakers, between music and speech and between multiple audio files to achieve a balanced overall loudness.
It includes a True ...

Audio Processing Statistics Explained

A few days ago we added audio processing statistics to Auphonic productions, which display details about what our algorithms are changing in your audio file.
Some classifier results and processing steps are also shown directly in the player audio waveform and all statistics can be exported via the Auphonic API or the new output file format Audio Processing Statistics.
This article explains how to use and interpret the Auphonic Audio Processing Statistics.

Statistics Tables

After the processing of a production is finished, you can click on Show Audio Processing Statistics (below the audio player) to display tables with statistics:

Then ...

Blubrry Media Hosting and WebDAV now supported by Auphonic

We are happy to announce that Blubrry Media Hosting, one of the most popular podcast hosting services, is now supported by Auphonic! You can export your processed audio files to Blubrry and various other services automatically.
Furthermore we integrated WebDAV, which is used by many cloud storage providers, for incoming and outgoing file transfers.

Auphonic to Blubrry Integration

Blubrry, part of RawVoice, Inc., is a podcasting veteran and famous for the open source PowerPress Podcasting plugin for wordpress, for Media Hosting and Media Statistics.

With the support of Angelo Mandato, we implemented Blubrry media hosting as an external service for ...

How to Import Chapter Marks in Auphonic

As we have described last week in Chapter Marks for MP3, MP4 Audio and Vorbis Comment, chapter marks are a great way to make your podcasts more informative and searchable. But while chapters are incredibly convenient for listeners to have, they are also a lot of work for producers to create!

At Auphonic, we therefore offer several features to import chapters from your favourite audio editors and other sources, that make the creation of chapter marks much easier. Choose your option:

  1. Add Chapter Marks through the Web Interface
  2. Add Chapter Marks while Recording with our Mobile App
  3. Import Chapter Marks ...

Chapter Marks for MP3, MP4 Audio and Vorbis Comment (Enhanced Podcasts)

Do you know what's great about text? It's really easy to find stuff! You just do a quick search on that website you bookmarked last week, and boom! – there is the name of that book that you had read about, but whose title you had forgotten. But on the downside, text is not always the best medium to consume information, for example while you are driving a car. That's why we like podcasts: you can listen to them while you are driving, walking, exercising, etc. Podcasts keep your hands free and your eyes on the environment around ...

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